Object-oriented programming · interview question
In an e-commerce application, why is it important to use meaningful update methods like 'restock' instead of direct field manipulation?
Multiple choiceHardchapter-3-curatedpremiumoopcontrolled-mutation
Answer and explanation
Correct answer
D. To prevent invalid states and ensure business rules are applied
Why
Meaningful update methods encapsulate the logic needed to maintain valid states and apply any necessary business rules, avoiding direct manipulation that could lead to inconsistencies.
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